/setblock ~ ~1 ~ minecraft:mob_spawner 0 replace {SpawnCount:6,SpawnRange:10,RequiredPlayerRange:100,MaxNearbyEntities:10,EntityId:Skeleton,SpawnData:{CustomName:"Leader",CustomNameVisible:1,SkeletonType:1,Equipment:[{id:261,Count:1},{id:317,Count:1,tag:{ench:[{id:0,lvl:0}]}},{id:316,Count:1,tag:{ench:[{id:0,lvl:0}]}},{id:315,Count:1,tag:{ench:[{id:0,lvl:0}]}},{id:314,Count:1,tag:{ench:[{id:0,lvl:0}]}}],DropChances:[0.0F,0.0F,0.0F,0.0F,0.0F],Attributes:[{Name:generic.followRange,Base:50}],PersistenceRequired:1,Riding:{id:"EntityHorse",Type:0,Tame:1,SaddleItem:{id:329},Variant:4,ArmorItem:{id:418},Attributes:[{Name:horse.jumpStrength,Base:1}],PersistenceRequired:1}},SpawnPotentials:[{Type:Skeleton,Weight:5,Properties:{CustomName:"Leader",CustomNameVisible:1,SkeletonType:1,Equipment:[{id:261,Count:1},{id:317,Count:1,tag:{ench:[{id:0,lvl:0}]}},{id:316,Count:1,tag:{ench:[{id:0,lvl:0}]}},{id:315,Count:1,tag:{ench:[{id:0,lvl:0}]}},{id:314,Count:1,tag:{ench:[{id:0,lvl:0}]}}],DropChances:[0.0F,0.0F,0.0F,0.0F,0.0F],Attributes:[{Name:generic.followRange,Base:50}],PersistenceRequired:1,Riding:{id:"EntityHorse",Type:0,Tame:1,SaddleItem:{id:329},Variant:4,ArmorItem:{id:418},Attributes:[{Name:horse.jumpStrength,Base:1}],PersistenceRequired:1}}},{Type:Skeleton,Weight:10,Properties:{CustomName:"Bandit",CustomNameVisible:1,SkeletonType:1,Equipment:[{id:272,Damage:10,Count:1},{id:301,Count:1,tag:{display:{color:0}}},{},{},{id:298,Count:1,tag:{display:{color:0}}}],DropChances:[0.0F,0.0F,0.0F,0.0F,0.0F],Attributes:[{Name:generic.followRange,Base:40}],PersistenceRequired:1,CanPickUpLoot:1b,Riding:{id:"EntityHorse",Type:2,Tame:1,SaddleItem:{id:329},ChestedHorse:1,PersistenceRequired:1}}},{Type:Skeleton,Weight:10,Properties:{CustomName:"Bandit",CustomNameVisible:1,SkeletonType:1,Equipment:[{id:258,Count:1,tag:{ench:[{id:16,lvl:1}]}},{},{},{id:302,Count:1},{}],DropChances:[0.0F,0.0F,0.0F,0.0F,0.0F],Attributes:[{Name:generic.followRange,Base:25}],PersistenceRequired:1,Riding:{id:"EntityHorse",Type:1,Tame:1,ChestedHorse:1,Items:[{Slot:2,id:297,Count:4,tag:{display:{Lore:[Rations.]}}},{Slot:3,id:364,Count:3,tag:{display:{Lore:[Rations.]}}}],PersistenceRequired:1}}},{Type:PigZombie,Weight:20,Properties:{CustomName:"Bandit",CustomNameVisible:1,Anger:32767,Equipment:[{id:267,Count:1},{},{},{},{}],DropChances:[0.0F,0.085F,0.085F,0.085F,0.085F],PersistenceRequired:1,CanPickUpLoot:1b,Silent:1,Riding:{id:"EntityHorse",Type:3,Tame:1,SaddleItem:{id:329},PersistenceRequired:1}}},{Type:Skeleton,Weight:20,Properties:{CustomName:"Archer",CustomNameVisible:1,Equipment:[{id:261,Count:1,tag:{ench:[{id:48,lvl:1}]}},{id:301,Count:1,tag:{display:{color:6717235}}},{id:300,Count:1,tag:{display:{color:6717235}}},{id:299,Count:1,tag:{display:{color:6717235}}},{id:298,Count:1,tag:{display:{color:6717235}}}],DropChances:[0.0F,0.0F,0.0F,0.0F,0.0F],PersistenceRequired:1,CanPickUpLoot:1b}},{Type:Zombie,Weight:20,Properties:{CustomName:"Bandit",CustomNameVisible:1,Equipment:[{id:267,Count:1,tag:{ench:[{id:17,lvl:1}]}},{},{},{id:263,Count:1},{id:skull,Count:1}],DropChances:[0.0F,0.085F,0.085F,1.0F,0.0F],PersistenceRequired:1,CanPickUpLoot:1b}},{Type:Witch,Weight:10,Properties:{CustomName:"Mage",CustomNameVisible:1,PersistenceRequired:1,CanPickUpLoot:1b,ActiveEffects:[{Id:1,Amplifier:0,Duration:20000,ShowParticles:0b}]}},{Type:Zombie,Weight:1,Properties:{CustomName:"Kid Bandit",CustomNameVisible:1,IsVillager:1,IsBaby:1,ConversionTime:-1,Equipment:[{id:271,Count:1},{},{},{},{}],DropChances:[0.0F,0.085F,0.085F,0.085F,0.085F],PersistenceRequired:1,CanPickUpLoot:1b}}]}